29390617169 has 2 divisors, whose sum is σ = 29390617170. Its totient is φ = 29390617168.

The previous prime is 29390617159. The next prime is 29390617189. The reversal of 29390617169 is 96171609392.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26207400769 + 3183216400 = 161887^2 + 56420^2 .

It is a cyclic number.

It is not a de Polignac number, because 29390617169 - 2²⁸ = 29122181713 is a prime.

It is a super-2 number, since 2×29390617169² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29390617169.

It is not a weakly prime, because it can be changed into another prime (29390617129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14695308584 + 14695308585.

It is an arithmetic number, because the mean of its divisors is an integer number (14695308585).

Almost surely, 2^29390617169 is an apocalyptic number.

It is an amenable number.

29390617169 is a deficient number, since it is larger than the sum of its proper divisors (1).

29390617169 is an equidigital number, since it uses as much as digits as its factorization.

29390617169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1102248, while the sum is 53.

The spelling of 29390617169 in words is "twenty-nine billion, three hundred ninety million, six hundred seventeen thousand, one hundred sixty-nine".